.contain{
    min-width: 1000px;
}
.backstage .top{
    background-color: #fff;
    border-bottom:1px solid #dedede;
    height:50px;
}

.backstage .left{
    min-height:800px;
    width:250px;
    border-right:1px solid #dedede;
    float: left;
    margin-right: -100%;
    z-index: 9999999;
}

.backstage .wraper{
    background-color: #fff;
}

.backstage .left .left_bar{
    padding:10px;
}

.backstage .left .left_bar a{
    display: block;
}

.backstage .right{
    margin-left:250px;
    min-height:800px;
}
.backstage .right .main{
    padding:10px;
}












